package/system/opkg/files/opkg-key

   1 #!/bin/sh
   2
   3 usage() {
   4         cat <<EOF
   5 Usage: $0 <command> <arguments...>
   6 Commands:
   7   add <file>:                   Add keyfile <file> to opkg trusted keys
   8   remove <file>:                Remove keyfile matching <file> from opkg trusted keys
   9   verify <sigfile> <list>:      Check list file <list> against signature file <sigfile>
  10
  11 EOF
  12         exit 1
  13 }
  14
  15 opkg_key_verify() {
  16         local sigfile="$1"
  17         local msgfile="$2"
  18
  19         (
  20                 zcat "$msgfile" 2>/dev/null ||
  21                 cat "$msgfile" 2>/dev/null
  22         ) | usign -V -P /etc/opkg/keys -q -x "$sigfile" -m -
  23 }
  24
  25 opkg_key_add() {
  26         local key="$1"
  27         [ -n "$key" ] || usage
  28         [ -f "$key" ] || echo "Cannot open file $1"
  29         local fingerprint="$(usign -F -p "$key")"
  30         mkdir -p "/etc/opkg/keys"
  31         cp "$key" "/etc/opkg/keys/$fingerprint"
  32 }
  33
  34 opkg_key_remove() {
  35         local key="$1"
  36         [ -n "$key" ] || usage
  37         [ -f "$key" ] || echo "Cannot open file $1"
  38         local fingerprint="$(usign -F -p "$key")"
  39         rm -f "/etc/opkg/keys/$fingerprint"
  40 }
  41
  42 case "$1" in
  43         add)
  44                 shift
  45                 opkg_key_add "$@"
  46                 ;;
  47         remove)
  48                 shift
  49                 opkg_key_remove "$@"
  50                 ;;
  51         verify)
  52                 shift
  53                 opkg_key_verify "$@"
  54                 ;;
  55         *) usage ;;
  56 esac